CN206610827U - Light emitting module and lens - Google Patents
Light emitting module and lens Download PDFInfo
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- CN206610827U CN206610827U CN201720356123.8U CN201720356123U CN206610827U CN 206610827 U CN206610827 U CN 206610827U CN 201720356123 U CN201720356123 U CN 201720356123U CN 206610827 U CN206610827 U CN 206610827U
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- light
- lens
- extraction part
- light extraction
- flange
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- 238000000605 extraction Methods 0.000 claims abstract description 103
- 239000000758 substrate Substances 0.000 claims abstract description 36
- 230000003287 optical effect Effects 0.000 description 14
- 239000004065 semiconductor Substances 0.000 description 14
- 238000010276 construction Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 2
- 239000002019 doping agent Substances 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
- F21V5/04—Refractors for light sources of lens shape
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/58—Optical field-shaping elements
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
- G02B19/0033—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use
- G02B19/0047—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source
- G02B19/0061—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source the light source comprising a LED
- G02B19/0066—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source the light source comprising a LED in the form of an LED array
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133603—Direct backlight with LEDs
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
- G02F1/133607—Direct backlight including a specially adapted diffusing, scattering or light controlling members the light controlling member including light directing or refracting elements, e.g. prisms or lenses
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L25/00—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof
- H01L25/03—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes
- H01L25/04—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers
- H01L25/075—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00
- H01L25/0753—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00 the devices being arranged next to each other
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2933/00—Details relating to devices covered by the group H01L33/00 but not provided for in its subgroups
- H01L2933/0008—Processes
- H01L2933/0033—Processes relating to semiconductor body packages
- H01L2933/0058—Processes relating to semiconductor body packages relating to optical field-shaping elements
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Optics & Photonics (AREA)
- Computer Hardware Design (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mathematical Physics (AREA)
- Manufacturing & Machinery (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Engineering & Computer Science (AREA)
- Led Device Packages (AREA)
- Planar Illumination Modules (AREA)
- Liquid Crystal (AREA)
Abstract
Disclosed herein is a kind of light emitting module and a kind of lens.Light emitting module includes the multiple light-emitting devices being arranged in substrate and is separately positioned on the multiple light-emitting device with multiple lens of the scattered light launched from light-emitting device, wherein, each light in part for including receiving the light launched from light-emitting device in the multiple lens divides and taps the light extraction part that the light received is projected by it by light in part；It is each in plan view with major axis and short axle in light in part point and light extraction part, major axis of the major axis that light in part divides perpendicular to light extraction part.Light emitting module provides generally rectangular light distribution, so as to be combined to launch uniform light with the light distribution of adjacent light emitting module.
Description
This patent document requires the 10-2017-0026197 korean patent applications submitted for 28th for 2 months in 2017
Priority and rights and interests, the complete disclosure of the korean patent application are all incorporated herein by quoting.
Technical field
The utility model is related to a kind of light emitting module and lens, and light transmitting distribution can be specified more particularly, to one kind
Light emitting module and lens.
Background technology
Light emitting diode is the inorganic semiconductor devices of the light for the compound generation for being emitted through electronics and hole.Recently, send out
Optical diode is widely used in the various fields of such as display, automobile lamp and general illumination.Light-emitting diodes
Pipe is just rapidly replacing existing light source with long life-span, low power consumption and fast response time.
For display and general illumination, several to tens light emitting diodes can be used.Using multiple luminous two
During pole pipe, it is important that minimize the optical interference between light emitting diode.Such optical interference can cause shade or office
The generation of portion's focus.
Utility model content
Embodiment of the present utility model provides the hair that a kind of optical interference that can make between light emitting diode is minimized
Optical module and lens.
According to one side of the present utility model, light emitting module includes：Multiple light-emitting devices, are arranged in substrate；It is multiple
Lens, are separately positioned on the multiple light-emitting device, with the scattered light launched from light-emitting device, wherein, the multiple lens
In it is each include receiving the light in part point for the light launched from light-emitting device and the light received is tapped by light in part pass through its project
Light extraction part；It is each in plan view with major axis and short axle in light in part point and light extraction part；The major axis of light in part point
Major axis perpendicular to light extraction part.
Light in part point can have the ratio of the major axis and short axle bigger than light extraction part.
The flange that can also each include being attached partially to light extraction into the lower surface of lens in the multiple lens.Flange
Than that can have big thickness on the short-axis direction of light extraction part on the long axis direction of light extraction part.Here, flange is with going out
Border between light part can be curve.
Flange can be protruded and can had in plan view round-shaped from the light extraction part of lens.
Beeline from distal end to the distal end of flange of the light extraction part of lens on the long axis direction of light extraction part can
With different from the beeline from distal end to the distal end of flange of the light extraction part of lens on the short-axis direction of light extraction part.
Beeline from distal end to the distal end of flange of the light extraction part of lens on the long axis direction of light extraction part can
With shorter than beeline from distal end to the distal end of flange of the light extraction part of lens on the short-axis direction of light extraction part.
According to other side of the present utility model, lens include：Light in part point, receives the light launched from light-emitting device；
Light extraction part, taps the light received by light in part and is projected by light extraction part, wherein, in light in part point and light extraction part it is each
There is major axis and short axle, major axis of the major axis that light in part divides perpendicular to light extraction part in plan.
Light in part point can have the ratio of the major axis and short axle bigger than light extraction part.
Lens can also include the flange that light extraction is attached partially to the lower surface of lens.Major axis of the flange in light extraction part
Than that can have big thickness on the short-axis direction of light extraction part on direction.Here, the border between flange and light out part divide
It can be curve.
Flange can be protruded and can had in plan view round-shaped from the light extraction part of lens.
Beeline from distal end to the distal end of flange of the light extraction part of lens on the long axis direction of light extraction part can
With different from the beeline from distal end to the distal end of flange of the light extraction part of lens on the short-axis direction of light extraction part.
Beeline from distal end to the distal end of flange of the light extraction part of lens on the long axis direction of light extraction part can
With shorter than beeline from distal end to the distal end of flange of the light extraction part of lens on the short-axis direction of light extraction part.
Embodiment of the present utility model can provide the light emitting module of generally rectangular light distribution there is provided a kind of, so that with
The light distribution of adjacent light emitting module combines to launch uniform light.
Brief description of the drawings
It is included to provide further understanding and be comprised in this specification and constitute this to disclosed technology
The accompanying drawing of a part for specification shows the embodiment of disclosed technology, and is used to explaining disclosed together with the description
The principle of technology.
Fig. 1 is the perspective view of the light emitting module according to first embodiment of the present utility model.
Fig. 2 is the longitudinal sectional view of the lens of the light emitting module according to first embodiment of the present utility model.
Fig. 3 is the transverse sectional view of the lens of the light emitting module according to first embodiment of the present utility model.
Fig. 4 is the longitudinal sectional view of the light emitting module according to first embodiment of the present utility model.
Fig. 5 is the transverse sectional view of the light emitting module according to first embodiment of the present utility model.
Fig. 6 is the view for showing the light emitting module according to first embodiment of the present utility model in substrate.
Fig. 7 is the backlight list of 32 inch displays for being provided with light emitting module according to first embodiment of the present utility model
The view of member.
Fig. 8 is the backlight list of 55 inch displays for being provided with light emitting module according to first embodiment of the present utility model
The view of member.
Fig. 9 is the longitudinal sectional view of the lens of the light emitting module according to second embodiment of the present utility model.
Figure 10 is the plan of the lens of the light emitting module according to second embodiment of the present utility model.
Figure 11 is will be according to the bright of the light of the long axis direction transmitting along light emitting module of first embodiment of the present utility model
The curve map that the brightness of light of the degree with being launched according to the long axis direction along light emitting module of second embodiment is compared.
Figure 12 is will be according to the bright of the light of the short-axis direction transmitting along light emitting module of first embodiment of the present utility model
The curve map that the brightness of light of the degree with being launched according to the short-axis direction along light emitting module of second embodiment is compared.
Embodiment
Hereinafter, it will be described in detail with reference to the accompanying drawings embodiment of the present utility model.
Fig. 1 is the perspective view of the light emitting module according to first embodiment of the present utility model, and Fig. 2 is according to the utility model
First embodiment light emitting module lens longitudinal sectional view.Fig. 3 is the hair according to first embodiment of the present utility model
The transverse sectional view of the lens of optical module.
Reference picture 1, includes light-emitting device 110 and lens according to the light emitting module 100 of first embodiment of the present utility model
120。
Light-emitting device 110 is set on a substrate 200.Substrate 200 has insulating property (properties), and including being formed thereon on surface
Conducting channel.In addition, substrate 200 is used to support light-emitting device 110 and lens 120.In this embodiment, substrate 200 can be with
It is printed circuit board (PCB) and there can be the mounting groove for being wherein provided with light-emitting device 110.
Light-emitting device 110 is installed on a substrate 200.Such as in this embodiment, when forming mounting groove in substrate 200,
Light-emitting device may be mounted in mounting groove.Light-emitting device 110 can be SMD type light-emitting diode chip for backlight unit, or can basis
Need the form for taking chip type light emitting diode to encapsulate.
When light-emitting device 110 is light-emitting diode chip for backlight unit, light-emitting diode chip for backlight unit can include including n-type semiconductor
The ray structure of layer, active layer and p-type semiconductor layer.Light emitting diode can be electrically connected to the n-type electrode of n-type semiconductor layer
Flip chip type light emitting diode in one direction, or n-type are arranged with the p-type electrode for being electrically connected to p-type semiconductor layer
The vertical type light emitting diode of electrode and p-type electrode arrangement in a different direction.Here, n-type semiconductor layer, active layer and p
Group III-V compound semiconductor can each be included in type semiconductor layer, for example, such as (Al, Ga, In) N nitride half
Conductor.
N-type semiconductor layer can be the conductive semiconductor layer for including n-type dopant (for example, Si), and p-type semiconductor layer can be with
It is the conductive semiconductor layer for including p-type dopant (for example, Mg).Active layer can be placed in n-type semiconductor layer and p-type semiconductor layer
Between, and can have multi-quantum pit structure (MQW).The composition of active layer can be adjusted to launch with desired peak value ripple
Long light.In this embodiment, light-emitting diode chip for backlight unit can launch blue light or ultraviolet light.
Lens 120 are used for the scattered light launched from light-emitting device 110, and are set to cover light-emitting device 110.For this
Individual purpose, lens 120 can have the optical receiving surface 121a and light that receive the light launched from light-emitting device 110 to be penetrated by it
Go out the light extraction part 123 of lens 120.In this embodiment, lens 120 include forming the spill light in part point 121 in its underpart,
Wherein, the inner surface of light in part point 121 can be optical receiving surface 121a.
As shown in FIG., light in part point 121 can be formed at the bottom in lens 120, with positioned at the center of lens 120.
As shown in Figure 1 to Figure 3, light in part point 121 can have concave shape, for example, the shape of bell.Light in part point 121 is in section view
There can be the elliptical shape in the y-axis direction with major axis in figure.In this embodiment, by oval light in part point 121
Short-axis direction be defined as x-axis direction, the long axis direction of light in part points 121 is defined as y-axis direction.
Optical receiving surface 121a as the inner surface of light in part point 121 can have generally curved surface.In addition,
Optical receiving surface 121a can be connected to the lower surface 125 of lens 120 via curved surface.Although optical receiving surface here
121a has generally curved surface, but optical receiving surface 121a topmost can include plane as needed.
In this embodiment, as shown in FIG., the lower surface 125 of lens 120 can have flat shape.However, should
Understand, the utility model not limited to this, the lower surface of lens can include inclined surface as needed.Work as lower surface
125 when including inclined surface, and inclined surface can be from light in part points 121 to the export-oriented surface inclined of lens 120.
Light extraction part 123 is that the light for coming into lens 120 projects the surface of lens by it, and forms lens 120
Profile.Light extraction part 123 can have the elliptical shape in the direction of the x axis with major axis in the cross-section.In the embodiment
In, the short-axis direction of oval light extraction part 123 is y-axis direction, and the long axis direction of light extraction part 123 is x-axis direction.Namely
Say, the long axis direction of the long axis direction of light in part points 121 perpendicular to light extraction part 123.
Here, the elliptical shape of light in part point 121 can have the major axis bigger than the elliptical shape of light extraction part 123
With the ratio of short axle.That is, the elliptical shape of light extraction part 123 can more connect than the elliptical shape of light in part point 121
Subcircular shape.Therefore, it is possible to launch relatively large light quantity along the long axis direction of light extraction part 123 from light-emitting device 110.
With reference to Fig. 2 of the sectional view as lens 120 in the direction of the x axis, light extraction part 123 sets along long axis direction, entered
Light part 121 is set along short-axis direction.In addition, with reference to Fig. 3 of the sectional view as lens 120 in the y-axis direction, light extraction part
123 are set along short-axis direction, and light in part point 121 is set along long axis direction.Therefore it can be seen that dividing 121 short axle along light in part
The light that direction enters lens 120 is advanced more than the light that the long axis direction along light in part point 121 enters lens 120 in lens 120
Big distance.
In this embodiment, lens 120 can also include the lower surface 125 that light extraction part 123 is connected to lens 120
Flange 127.Flange 127 can be set along the periphery of light extraction part 123, and the vertical component effect of flange 127 can be perpendicular to saturating
The lower surface 125 of mirror 120.Here, the thickness of flange 127 can change according to the position of light output surface.In this embodiment,
The thickness t1 of the part on the long axis direction of light extraction part 123 of flange can be located at light extraction part 123 more than flange
Short-axis direction on part thickness t2.In addition, flange can have maximum thickness on the long axis direction of light extraction part 123
Degree, and with minimum thickness on the short-axis direction of light extraction part 123.Here, as shown in Figure 1 to Figure 3, flange 127 with
Border 127a between light extraction part 123 can be formed as curve.
In addition, multiple supports 129 can be formed on the lower surface 125 of lens 120.Support 129 can be arranged in into light
Around part 121 and with predetermined thickness.In addition, support may be used as lens 120 being precisely mounted in substrate 200
Reference.
Fig. 4 is the longitudinal sectional view of the light emitting module according to first embodiment of the present utility model.
Reference picture 4, the light in part of lens 120 is arranged on according to the light-emitting device 110 of the light emitting module 100 of first embodiment
Points 121 inside.In this embodiment, light-emitting device 110 can be flip chip type light-emitting device 110.Therefore, light-emitting device
110 can upwardly and laterally launch light.
The light launched upwards from light-emitting device 110 can be after the light in part point 121 through lens 120 by light out part
123 are divided to project.It can pass through light extraction dividing through light in part after 121 from a part for the light of the side emission of light-emitting device 110
Project part 123.However, as shown in Figure 4, inciding a part for the light on light in part point 121 can be penetrated by flange 127
Go out.The light projected by flange 127 can be launched without being reflected by lens 120, so as to can further increase from lens 120
The light quantity of side emission.
As described above, thickness of thickness of the flange 127 on long axis direction from flange on short-axis direction is different.Specifically
Ground, thickness of the flange 127 on the long axis direction of lens 120 is more than thickness of the flange on short-axis direction.Therefore, along lens
The light quantity of 120 long axis direction can be more than the light quantity along the short-axis direction of lens.Increase with the thickness of flange 127, pass through
The light quantity that flange is launched and is not refracted becomes big.Because thickness of the flange 127 on the long axis direction of lens 120 is relatively large, institute
It is relatively large with the light quantity launched along the long axis direction of lens.
Therefore, can be on long axis direction than disperseing more light on short-axis direction according to the lens 120 of the embodiment.
Fig. 5 is the transverse sectional view of the light emitting module according to first embodiment of the present utility model.
Reference picture 5, can be formed according to the lens 120 of the light emitting module 100 of the embodiment by injection molding.Cause
This, the flange 127 of lens 120 could be formed with the cast gate G for injection molding.Here, thickness of the flange 127 on short-axis direction
Degree can depend on cast gate G thickness and can be more than cast gate G thickness.
In this embodiment, thickness of the flange 127 on long axis direction can be more than thickness of the flange 127 on short-axis direction
Spend and less than 4mm.In addition, thickness of the flange 127 on short-axis direction can be in the range of from 0.3mm to 1mm.
Fig. 6 is to show regarding for the light emitting module according to first embodiment of the present utility model of installation on a substrate 200
Figure.
Reference picture 6, multiple light emitting modules 100 can be arranged on a substrate 200.Substrate 200 can have predetermined length
Bar shape and can be formed with the upper surface of which for the conduction electricity to the power supply of light-emitting device 110 mounted thereto
Road.Lens 120 are set to cover the multiple light-emitting devices 110 for the conducting channel for being connected to substrate 200 so that light emitting module 100
Substrate 200 can be attached to.Although light-emitting device 110 and lens 120 are separated components here it should be appreciated that
Light-emitting device can be integrally formed with lens as needed.
As shown in Figure 6, lens 120 can be set on a substrate 200 so that the long axis direction correspondence of light in part point 121
In the longitudinal direction of substrate 200.Therefore, the major axis of the light extraction part 123 of lens 120 can be perpendicular to the longitudinal direction side of substrate 200
To, and lens 120 can protrude from substrate 200.In addition, the short-axis direction width of the light in part of lens 120 point 121 can be with small
In the width of substrate 200.The support 129 of lens 120 can be incorporated into substrate 200 so that lens 120 can be attached to substrate
200。
Fig. 7 is the backlight list of 32 inch displays for being provided with light emitting module according to one embodiment of the present utility model
The view of member, Fig. 8 is the backlight of 55 inch displays for being provided with light emitting module according to one embodiment of the present utility model
The view of unit.
Reference picture 7, the back light unit 300 for 32 inch displays can have eight light emitting modules 100 with rule
Structure of the arranged for interval in the substrate 200 with predetermined length.Here, back light unit 300 can include single substrate 200.
Substrate 200 can be arranged on the center of back light unit 300 along the longitudinal direction of back light unit 300.Therefore, from eight luminous moulds
The light of block 100 can be launched on the direction vertical with the longitudinal direction of substrate 200, to illuminate before back light unit 300.
In addition, reference picture 8, the back light unit 400 for 55 inch displays can be included vertical with back light unit
Three substrates 200 set up to the vertical side in direction.Furthermore it is possible to install eight light emitting modules in each substrate 200
100.Therefore, the light from light emitting module 100 can be launched on the direction vertical with the longitudinal direction of substrate 200, to illuminate
Before back light unit 400.
It should be appreciated that the number of the quantity of substrate 200 and the light emitting module 100 in each of substrate 200
Amount can change according to the size of display.
Fig. 9 is the longitudinal sectional view of the lens of the light emitting module according to second embodiment of the present utility model, and Figure 10 is root
According to the plan of the lens of the light emitting module of second embodiment of the present utility model.
Reference picture 9 and Figure 10, include light-emitting device 110 and lens 120 according to the light emitting module 100 of second embodiment.By
It is identical with the construction of the light-emitting device 110 in above-described embodiment in the construction of light-emitting device 110, so by the descriptions thereof are omitted.Separately
Outside, the description of the construction same as the previously described embodiments of lens 120 will also be omitted.
In this embodiment, lens 120 include light in part point 121, light extraction part 123, flange 127 and support 129, and
Light in part point 121, light extraction part 123 and the construction of support 129 and the construction of above-described embodiment are identical.In this embodiment, it is convex
Edge 127 can be protruded from the light extraction part 123 of lens 120.That is, as shown in Figure 9, the width of flange 127 can be big
In length of the light extraction part 123 of lens 120 on long axis direction.
In addition, as shown in Figure 10, flange 127 can have round-shaped in plan view.Due to with ellipse
The light extraction part 123 of the lens 120 of shape is different, and flange 127 is with round-shaped, so the major axis side in light extraction part 123
Upwards from the outer end of flange 127 (or referred to as distal end) to the distance of the outer end of light extraction part 123 can with light extraction part 123
Short-axis direction on distance from the outer end of flange to the outer end of light extraction part 123 it is different.In this embodiment, in light extraction part
On 123 long axis direction from beeline of the distal end of the light extraction part 123 of lens 120 to the distal end of flange 127 can than
From the distal end of the light extraction part 123 of lens 120 to the beeline of the distal end of flange 127 on the short-axis direction of light extraction part 123
It is short.
Figure 11 is will be according to the bright of the light of the long axis direction transmitting along light emitting module of first embodiment of the present utility model
The curve map that the brightness of light of the degree with being launched according to the long axis direction along light emitting module of second embodiment is compared.Figure 12 is
By the brightness for the light launched according to the short-axis direction along light emitting module of first embodiment of the present utility model and according to second in fact
Apply the curve map that the brightness of the light of the short-axis direction transmitting along light emitting module of example is compared.
As described above, according to the light emitting module 100 of first embodiment of the present utility model with according to of the present utility model the
The light emitting module 100 of two embodiments is different in terms of the size and dimension of flange 127.Therefore, it is possible to the size according to flange 127
The brightness for the light launched from light emitting module 100 is adjusted with shape.In this way, because the light launched from light emitting module 100 is from substrate
200 or the bottom of back light unit reflected, it is possible to adjusted according to the size and dimension of flange 127 from light emitting module 100
The brightness of the light of transmitting.
In the light emitting module according to first embodiment, as shown in Figure 6, because lens 120 have bigger than substrate 200
Width, so light can be launched by the lower surface 125 of lens 120.Therefore, it is possible to the flange 127 by changing lens 120
Size and dimension changes the light quantity launched by the lower surfaces 125 of lens 120.
As shown in Figure 11, when the size of flange 127 increases 10% compared with the size of the flange of one embodiment, such as
According to the light emitting module of second embodiment, the center brightness along the long axis direction of lens 120 is reduced by about 30%.Because when hair
The light quantity reflected when optical module 100 lights from substrate 200 is more than the light quantity launched by the lower surface 125 of lens 120.
In addition, as shown in Figure 12, it can be seen that reduce about 30% along the center brightness of the short-axis direction of lens 120.
Although having described some embodiments with reference to the accompanying drawings it should be appreciated that these embodiments are only used as and said
It is bright to provide, in the case where not departing from spirit and scope of the present utility model, those skilled in the art can carry out it is various modification,
Change and change.Scope of the present utility model should be limited only by claim and its equivalent.
Reference numerals list
100：Light emitting module 110：Light-emitting device
120：Lens 121：Light in part point
121a：Optical receiving surface 123：Light extraction part
125：Lower surface 127：Flange
127a：Border 129：Support
200：Substrate 300,400：Back light unit
Claims (18)
1. a kind of light emitting module, the light emitting module includes：
Multiple light-emitting devices, are arranged in substrate；And
Multiple lens, are separately positioned on the multiple light-emitting device, with the scattered light launched from light-emitting device,
Wherein, each light in part for including receiving the light launched from light-emitting device in the multiple lens divides and by light in part
The light extraction part that the light that tap is received is projected by it；
It is each in plan view with major axis and short axle in light in part point and light extraction part,
Major axis of the major axis of light in part point perpendicular to light extraction part.
2. light emitting module according to claim 1, wherein, light in part point has the major axis and short axle bigger than light extraction part
Than.
3. light emitting module according to claim 1, wherein, it is each also including light extraction part is connected in the multiple lens
It is connected to the flange of the lower surface of lens.
4. light emitting module according to claim 3, wherein, flange on the long axis direction of light extraction part ratio in light extraction part
Short-axis direction on have big thickness.
5. light emitting module according to claim 3, wherein, the border between flange and light out part point is curve.
6. light emitting module according to claim 3, wherein, flange is protruded from the light extraction part of lens.
7. light emitting module according to claim 3, wherein, flange has round-shaped in plan view.
8. light emitting module according to claim 3, wherein, from the light extraction part of lens on the long axis direction of light extraction part
Distal end to the distal end of flange beeline with the short-axis direction of light extraction part from the distal end of the light extraction part of lens to
The beeline of the distal end of flange is different.
9. light emitting module according to claim 8, wherein, from the light extraction part of lens on the long axis direction of light extraction part
Distal end to the distal end of flange beeline than on the short-axis direction of light extraction part from the distal end of the light extraction part of lens to
The beeline of the distal end of flange is short.
10. a kind of lens, the lens include：
Light in part point, receives the light launched from light-emitting device；And
Light extraction part, taps the light received by light in part and is projected by light extraction part,
Wherein, each in plan view with major axis and short axle in light in part point and light extraction part, the major axis of light in part point hangs down
Directly in the major axis of light extraction part.
11. lens according to claim 10, wherein, light in part point has the major axis and short axle bigger than light extraction part
Than.
12. lens according to claim 10, the lens also include the lower surface that light extraction is attached partially to lens
Flange.
13. lens according to claim 12, wherein, flange on the long axis direction of light extraction part ratio in light extraction part
There is big thickness on short-axis direction.
14. lens according to claim 12, wherein, the border between flange and light out part point is curve.
15. lens according to claim 12, wherein, flange is protruded from the light extraction part of lens.
16. lens according to claim 12, wherein, flange has round-shaped in plan view.
17. lens according to claim 12, wherein, from the light extraction part of lens on the long axis direction of light extraction part
Distal end to the distal end of flange beeline with the short-axis direction of light extraction part from the distal end of the light extraction part of lens to convex
The beeline of the distal end of edge is different.
18. lens according to claim 17, wherein, from the light extraction part of lens on the long axis direction of light extraction part
Distal end to the distal end of flange beeline than on the short-axis direction of light extraction part from the distal end of the light extraction part of lens to convex
The beeline of the distal end of edge is short.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2017-0026197 | 2017-02-28 | ||
| KR20170026197 | 2017-02-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206610827U true CN206610827U (en) | 2017-11-03 |
Family
ID=60174167
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210347915.4A Pending CN114695631A (en) | 2017-02-28 | 2017-04-06 | Light emitting module and lens |
| CN201710220009.7A Active CN108511585B (en) | 2017-02-28 | 2017-04-06 | Light emitting module and lens |
| CN201720356123.8U Expired - Fee Related CN206610827U (en) | 2017-02-28 | 2017-04-06 | Light emitting module and lens |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210347915.4A Pending CN114695631A (en) | 2017-02-28 | 2017-04-06 | Light emitting module and lens |
| CN201710220009.7A Active CN108511585B (en) | 2017-02-28 | 2017-04-06 | Light emitting module and lens |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP3591722B1 (en) |
| KR (1) | KR102540670B1 (en) |
| CN (3) | CN114695631A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108511585A (en) * | 2017-02-28 | 2018-09-07 | 首尔半导体株式会社 | Light emitting module and lens |
| CN113958883A (en) * | 2018-03-15 | 2022-01-21 | 首尔半导体株式会社 | Light emitting module and lens |
| US11499696B2 (en) | 2018-03-15 | 2022-11-15 | Seoul Semiconductor Co., Ltd. | Light emitting module and lens |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20200109804A (en) * | 2019-03-14 | 2020-09-23 | 서울반도체 주식회사 | Light emitting module having anisotropic lens |
| US20240219770A1 (en) * | 2022-02-08 | 2024-07-04 | Hefei Raysees Ai Technology Co., Ltd. | Backlight module and display deviceiii |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102052628A (en) * | 2009-10-29 | 2011-05-11 | 富士迈半导体精密工业（上海）有限公司 | Optical lens |
| KR101146458B1 (en) * | 2009-10-29 | 2012-05-21 | 폭스세미콘 인티그리티드 테크놀로지, 인코포레이티드 | Optical lens |
| US8331037B2 (en) * | 2010-08-30 | 2012-12-11 | Edison Opto Corporation | Optical lens |
| KR101756826B1 (en) * | 2010-09-06 | 2017-07-12 | 삼성전자주식회사 | Optical Lens, Light Source Module and Street Lamp Having the Same |
| EP4001747A1 (en) * | 2011-12-02 | 2022-05-25 | Seoul Semiconductor Co., Ltd. | Lens for a light-emitting diode chip |
| KR101850981B1 (en) * | 2011-12-23 | 2018-04-20 | 서울반도체 주식회사 | Light emitting module and lens |
| JP6238163B2 (en) * | 2013-11-05 | 2017-11-29 | パナソニックＩｐマネジメント株式会社 | Lighting device and lighting fixture |
| TWI711787B (en) * | 2015-01-08 | 2020-12-01 | 韓商Ｌｇ伊諾特股份有限公司 | Optical lens and light emitting module having the same |
| US10222024B2 (en) | 2015-06-03 | 2019-03-05 | Advanced Optoelectronic Technology, Inc. | Lens for light emitting device |
| KR101690740B1 (en) * | 2016-01-05 | 2016-12-29 | 주식회사 에이치엘옵틱스 | Asymmetric light diffusion lens |
| US10203086B2 (en) * | 2016-02-16 | 2019-02-12 | Lg Innotek Co., Ltd. | Optical lens, light emitting module, and light unit including the same |
| CN114695631A (en) * | 2017-02-28 | 2022-07-01 | 首尔半导体株式会社 | Light emitting module and lens |
-
2017
- 2017-04-06 CN CN202210347915.4A patent/CN114695631A/en active Pending
- 2017-04-06 CN CN201710220009.7A patent/CN108511585B/en active Active
- 2017-04-06 CN CN201720356123.8U patent/CN206610827U/en not_active Expired - Fee Related
-
2018
- 2018-02-21 KR KR1020180020302A patent/KR102540670B1/en active IP Right Grant
- 2018-02-27 EP EP18760381.6A patent/EP3591722B1/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108511585A (en) * | 2017-02-28 | 2018-09-07 | 首尔半导体株式会社 | Light emitting module and lens |
| CN108511585B (en) * | 2017-02-28 | 2022-04-19 | 首尔半导体株式会社 | Light emitting module and lens |
| CN113958883A (en) * | 2018-03-15 | 2022-01-21 | 首尔半导体株式会社 | Light emitting module and lens |
| EP4015894A3 (en) * | 2018-03-15 | 2022-09-14 | Seoul Semiconductor Co., Ltd. | Light emitting module and lens |
| US11499696B2 (en) | 2018-03-15 | 2022-11-15 | Seoul Semiconductor Co., Ltd. | Light emitting module and lens |
| US11815258B2 (en) | 2018-03-15 | 2023-11-14 | Seoul Semiconductor Co., Ltd. | Light emitting module and lens |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108511585A (en) | 2018-09-07 |
| EP3591722A4 (en) | 2020-12-23 |
| EP3591722C0 (en) | 2024-04-03 |
| CN108511585B (en) | 2022-04-19 |
| EP3591722A1 (en) | 2020-01-08 |
| KR102540670B1 (en) | 2023-06-08 |
| KR20180099486A (en) | 2018-09-05 |
| EP3591722B1 (en) | 2024-04-03 |
| CN114695631A (en) | 2022-07-01 |
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